/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package jhu.profiteer.admin;

import java.io.IOException;
import java.util.Vector;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import jhu.profiteer.data.Character;
import jhu.profiteer.data.CharacterJpaController;
import jhu.profiteer.data.CurrentCommodityValueJpaController;
import jhu.profiteer.data.Location;
import jhu.profiteer.data.LocationCommodityJpaController;
import jhu.profiteer.data.LocationJpaController;

/**
 *
 * @author Jeremy
 */
public class CurrentCommodityValueServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
      String submit = request.getParameter("submit");

      if(null == submit)
      {
        this.getServletContext()
                .getRequestDispatcher("/admin/ccvs")
                .forward(request, response);
        return;
      }

      HttpSession session = request.getSession();
      Vector<String> notices = (Vector<String>)session.getAttribute("notices");

      if(submit.equalsIgnoreCase("View Current Commodity Values"))
      {
        this.getServletContext()
                .getRequestDispatcher("/admin/ccv")
                .forward(request, response);
      }
      else if(submit.equalsIgnoreCase("Generate Current Commodity Values"))
      {
        String locIdParam = request.getParameter("locationId");
        boolean generate = true;

        if((null == locIdParam) || locIdParam.isEmpty())
        {
          if(null == notices) notices = new Vector<String>();
          notices.add("You must supply a location ID.");
          generate = false;
        }

        String charIdParam = request.getParameter("characterId");

        if((null == charIdParam) || charIdParam.isEmpty())
        {
          if(null == notices) notices = new Vector<String>();
          notices.add("You must supply a character ID.");
          generate = false;
        }

        if(generate)
        {
          CharacterJpaController cjc = new CharacterJpaController();
          LocationJpaController ljc = new LocationJpaController();
          LocationCommodityJpaController lcjc =
                  new LocationCommodityJpaController();
          CurrentCommodityValueJpaController ccvjc =
                  new CurrentCommodityValueJpaController();
          Character c = cjc.findCharacter(Long.parseLong(charIdParam));
          Location l = ljc.findLocation(Long.parseLong(locIdParam));
          l.generateCurrentValues(c);
          if(null == notices) notices = new Vector<String>();
          notices.add("Successfully generated new current commodity values" +
                  " for " + c.getName() + " at " + l.getName());
        }

        session.setAttribute("notices", notices);
        this.getServletContext()
                .getRequestDispatcher("/admin/ccvs")
                .forward(request, response);
      }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
